| # | Book Title | Author | |
|---|---|---|---|
| 1 | Journey on a Runaway Train | Warner, Gertrude Chandler | |
| 2 | Clue in the Papyrus Scroll, The | Warner, Gertrude Chandler | |
| 3 | Detour of the Elephants, The | Warner, Gertrude Chandler | |
| 4 | Shackleton Sabotage, The | Warner, Gertrude Chandler | |
| 5 | Khipu and the Final Key, The | Warner, Gertrude Chandler |